*{
	margin: 0;
	padding: 0;
}
html,body{
	width: 100%;
	height: 100%;
}
h1,h3{
	font-weight: 400;
}
/*---------------------------help_top-----------------------------------*/
.help_top{
	width: 100%;
	height: 90%;
	background: no-repeat center center;
	background-size: cover;
	margin-top: 61px;
}
.help_top_div{
	width: 1170px;
	height: 100%;
	margin: 0 auto;
	display: table;
}
.help_top_div_txt{
	height: 10%;
	vertical-align: middle;
	display: table-cell;
}
.help_top_div_txt h1{
	font-size: 60px;
	line-height: 60px;
}
.help_top_div_txt h3{
	font-size: 32px;
    line-height: 35px;
    font-family: GothamLight;
}
/*-------------------------------help_center-------------------------------*/
.help_center{
	width: 1170px;
	height: 80px;
	display: table;
	margin: 0 auto;
}
.help_center_group_a{
	display: block;
	text-decoration: none;
	color: black;
	font-size: 18px;
	line-height: 80px;
}
.help_center_group_a:hover{
	color: #8fc53c;
}
.help_center_group_a:hover .help_center_group_img{
	background: url('../img/new_version_icon.png') no-repeat -50px 0;
}
.help_center_group_div{
	width: 100%;
	border: 1px solid #ccc;
	height: 0px;
}
.help_center_group_one{
	padding: 0 15px;
	position: relative;
	-webkit-transition: all 0.6s;
}
.help_center_group_img{
	background: url('../img/new_version_icon.png') no-repeat -29px 0;
	width: 13px;
	height: 22px;
	position: absolute;
	top: 30px;
	right: 15px;
}
.help_center_group_two{
	 padding: 0px 15px 15px;
	 background-color: #f3f3f3;
	 display: none;
}
.help_center_group_two h2{
	font-size: 18px;
	line-height: 22px;
}
.help_center_group_two p{
	font-size: 16px;
	margin: 0 0 10px
}
/*-------------------------------help_bottom-------------------------------*/
.help_bottom{
	width: 100%;
    height: 600px;
    background: no-repeat center center;
    background-size: cover;
}
.help_bottom_all{
	width: 100%;
	height: 100%;
	background-color: rgba(0,0,0,0.3);
	-webkit-transition: all 0.3s;
	display: table;
}
.help_bottom_all:hover{
	background-color: rgba(0,0,0,0.6);
}
.help_bottom_div{
	width: 1170px;
	height: 100%;
	margin: 0 auto;
	vertical-align: middle;
	display: table-cell;
}
.help_bottom_div h1{
	font-size: 40px;
    margin-bottom: 50px;
    line-height: 80px;
    color: white;
    text-align: center;
}
.help_bottom_div a{
	color: #fff;
    display: block;
    width: 280px;
    height: 60px;
    font-size: 22px;
    background: #00adee;
    line-height: 60px;
    border-radius: 30px;
    text-align: center;
    margin: 0 auto;
}
@media only screen and (min-width: 980px) and (max-width: 1200px) {
	.help_top_div,.help_bottom_div,.help_center{
		width: 940px;
	}
}
@media only screen and (min-width: 768px) and (max-width: 980px) {
	.help_top_div,.help_bottom_div,.help_center{
		width: 724px;
	}
}
@media only screen and (min-width: 492px) and (max-width: 768px) {
	.help_top_div{
		width: 352px;
	}
	.help_bottom_div{
		width: 296px;
	}
	.help_center{
		width: 100%;
	}
}
@media only screen and (max-width: 492px) {
	.help_top{
		height: 70%;
	}
	.help_bottom{
		height: 60%;
	}
	.help_center{
		width: 100%;
	}
}